7161951 has 16 divisors (see below), whose sum is σ = 9947520. Its totient is φ = 4579680.

The previous prime is 7161937. The next prime is 7161971. The reversal of 7161951 is 1591617.

It is not a de Polignac number, because 7161951 - 2⁶ = 7161887 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7161971) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7141 + ... + 8081.

It is an arithmetic number, because the mean of its divisors is an integer number (621720).

Almost surely, 2^7161951 is an apocalyptic number.

7161951 is a deficient number, since it is larger than the sum of its proper divisors (2785569).

7161951 is a wasteful number, since it uses less digits than its factorization.

7161951 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1046.

The product of its digits is 1890, while the sum is 30.

The square root of 7161951 is about 2676.1821686873. The cubic root of 7161951 is about 192.7571287029.

The spelling of 7161951 in words is "seven million, one hundred sixty-one thousand, nine hundred fifty-one".